What question did this study set out to answer?

This research evaluates the differential effects of AT(1) receptor antagonism and ACE inhibition on renal protection in hypertensive rats.

May 1, 2001HypertensionOpen Access

Angiotensin Type 1 Receptor Antagonism and ACE Inhibition Produce Similar Renoprotection inNω-Nitro-l>-Arginine Methyl Ester/Spontaneously Hypertensive Rats

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Why the study?

Does candesartan or enalapril improve hemodynamics and prevent nephrosclerosis in spontaneously hypertensive rats?

Key Points

This research evaluates the differential effects of AT(1) receptor antagonism and ACE inhibition on renal protection in hypertensive rats.
Conducted on spontaneously hypertensive rats (SHR) utilizing 9 treatment groups over 3 weeks.
Groups received control, candesartan, enalapril, L-NAME, or combinations; effects on hemodynamics and pathology studied.
Histopathological scoring was applied to assess glomerular and arterial injury.
Both candesartan and enalapril significantly reduced arterial pressure and renal resistance indices.
Histopathological improvements included significant decreases in glomerular injury scores, left ventricular and aortic mass.
L-NAME-induced proteinuria was effectively prevented by both treatments.

Structured PICO

Does candesartan or enalapril improve hemodynamics and prevent nephrosclerosis in spontaneously hypertensive rats?

Population

17-week-old male spontaneously hypertensive rats (SHR) with N(omega)-nitro-L-arginine methyl ester (L-NAME)-exacerbated nephrosclerosis (n=86)

Intervention

Candesartan (10 mg/kg/day), enalapril (30 mg/kg/day), or their combination, administered for 3 weeks

Comparator

Untreated controls or L-NAME alone

Outcome

Systemic, renal, and glomerular hemodynamics and pathological changessurrogate

AT1 receptor antagonism and ACE inhibition provide similar renoprotective and hemodynamic benefits in a rat model of hypertension and nephrosclerosis.

Discussion

No takes yet. Share an insight, caveat, or question.

Implication

No immediate clinical implications; leaves open translation of similar ARB-ACEI renoprotection from hypertensive rat models.

Cite This Study

Nakamura et al. (2001) studied this question.

synapsesocial.com/papers/6a703d02e71d69abee0878f1 https://doi.org/10.1161/01.hyp.37.5.1262

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Angiotensin Type 1 Receptor Antagonism and ACE Inhibition Produce Similar Renoprotection inNω-Nitro-l>-Arginine Methyl Ester/Spontaneously Hypertensive Rats

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Angiotensin Type 1 Receptor Antagonism and ACE Inhibition Produce Similar Renoprotection inNω-Nitro-l>-Arginine Methyl Ester/Spontaneously Hypertensive Rats

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Also Consider